Z8F16800144ZCOG Zilog, Z8F16800144ZCOG Datasheet - Page 51

• Manufacturer Part Number: Z8F16800144ZCOG
• Description: KIT DEV FOR Z8F642 MCU 44 PIN
• Manufacturer: Zilog
• Series: Z8 Encore!®r
• Type: MCUr

Specifications of Z8F16800144ZCOG

• Contents: Hardware, Software and Documentation
• For Use With/related Products: Z8F642
• For Use With: 269-4661 - KIT ACC ETHERNET SMART CABLE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4678

PS025011-1010
V
CC(min)
V
POR
Reset
V
POR
TH
V
Voltage Brownout Reset
The Z8 Encore! XP F1680 Series provides a VBO Reset feature for low-voltage 
protection. The VBO circuit has a preset threshold voltage (V
V
When VBO Reset circuit detects the power supply voltage falls below the threshold 
voltage V
will hold the POR Reset until the power supply voltage goes above the V
(V
System Reset sequence, just like power-on case. Following this System Reset sequence,
the POR/VBO status bit in the Reset Status (RSTSTAT) register is set to 1.
page 38 displays VBO Reset operation.
For VBO threshold voltages (V
istics
The VBO circuit is either enabled or disabled during STOP mode. VBO circuit operation
is controlled by both the VBO_AO Flash Option Bit and the Power Control Register bit4.
For more details, see
tions
hys
VBO
. The VBO circuit will monitor the power supply voltage if the VBO is enabled.
on page 47.
on page 339.
+V
POR
VBO
hys
t
(POR_DELAY)
), and then the VBO Reset is released. The device progresses through a full
, the VBO resets the device by pulling the POR Reset from 1 to 0. The VBO
Figure 7. Power-On Reset Timing
Flash Option Bits
V
CC
P R E L I M I N A R Y
VBO
) and VBO hysteresis (V
on page 267 and
Reset, Stop Mode Recovery, and Low-Voltage
POR
t
(POR_DELAY)
Z8 Encore! XP
Power Control Register Defini-
hys
VBO
), see
Product Specification
) with a hysteresis of
No POR
Electrical Character-
®
VBO+
F1680 Series
Figure 8
on
37